3 /* Copyright (c) 2004 Arnaud Legrand. All rights reserved. */
5 /* This program is free software; you can redistribute it and/or modify it
6 * under the terms of the license (GNU LGPL) which comes with this package. */
13 /* Actions and resources are higly connected structures... */
14 typedef struct surf_action *surf_action_t;
15 typedef struct surf_resource *surf_resource_t;
21 SURF_ACTION_READY = 0, /* Ready */
22 SURF_ACTION_RUNNING, /* Running */
23 SURF_ACTION_FAILED, /* Task Failure */
24 SURF_ACTION_DONE, /* Completed */
25 SURF_ACTION_NOT_IN_THE_SYSTEM /* Not in the system anymore. Why did you ask ? */
26 } e_surf_action_state_t;
28 typedef struct surf_action_state {
29 xbt_swag_t ready_action_set;
30 xbt_swag_t running_action_set;
31 xbt_swag_t failed_action_set;
32 xbt_swag_t done_action_set;
33 } s_surf_action_state_t, *surf_action_state_t;
35 /* Never create s_surf_action_t by yourself !!!! */
36 /* Use action_new from the corresponding resource */
37 typedef struct surf_action {
38 s_xbt_swag_hookup_t state_hookup;
40 xbt_maxmin_float_t cost; /* cost */
41 xbt_maxmin_float_t max_duration;/* max_duration (may fluctuate until
42 the task is completed) */
43 xbt_maxmin_float_t remains; /* How much of that cost remains to
44 * be done in the currently running task */
45 xbt_heap_float_t start; /* start time */
46 xbt_heap_float_t finish; /* finish time : this is modified during the run
47 * and fluctuates until the task is completed */
48 void *callback; /* for your convenience */
49 surf_resource_t resource_type;
52 /***************************/
53 /* Generic resource object */
54 /***************************/
56 typedef struct surf_resource_private *surf_resource_private_t;
57 typedef struct surf_resource_public {
58 s_surf_action_state_t states; /* Any living action on this resource */
59 void *(*name_service) (const char *name);
60 const char *(*get_resource_name) (void *resource_id);
62 e_surf_action_state_t(*action_get_state) (surf_action_t action);
63 void (*action_free) (surf_action_t action);
64 void (*action_cancel) (surf_action_t action);
65 void (*action_recycle) (surf_action_t action);
66 void (*action_change_state) (surf_action_t action,
67 e_surf_action_state_t state);
68 } s_surf_resource_public_t, *surf_resource_public_t;
70 typedef struct surf_resource {
71 surf_resource_private_t common_private;
72 surf_resource_public_t common_public;
75 typedef struct surf_resource_object {
76 surf_resource_t resource;
77 } s_surf_resource_object_t, *surf_resource_object_t;
79 /**************************************/
80 /* Implementations of resource object */
81 /**************************************/
84 SURF_CPU_ON = 1, /* Ready */
85 SURF_CPU_OFF = 0 /* Running */
88 typedef struct surf_cpu_resource_extension_private
89 *surf_cpu_resource_extension_private_t;
90 typedef struct surf_cpu_resource_extension_public {
91 surf_action_t(*execute) (void *cpu, xbt_maxmin_float_t size);
92 surf_action_t(*sleep) (void *cpu, xbt_maxmin_float_t duration);
93 void (*suspend) (surf_action_t action);
94 void (*resume) (surf_action_t action);
95 e_surf_cpu_state_t(*get_state) (void *cpu);
96 } s_surf_cpu_resource_extension_public_t,
97 *surf_cpu_resource_extension_public_t;
99 typedef struct surf_cpu_resource {
100 surf_resource_private_t common_private;
101 surf_resource_public_t common_public;
102 surf_cpu_resource_extension_public_t extension_public;
103 } s_surf_cpu_resource_t, *surf_cpu_resource_t;
104 extern surf_cpu_resource_t surf_cpu_resource;
105 void surf_cpu_resource_init(const char *filename);
107 /* Network resource */
108 typedef struct surf_network_resource_extension_private
109 *surf_network_resource_extension_private_t;
110 typedef struct surf_network_resource_extension_public {
111 surf_action_t(*communicate) (void *src, void *dst,
112 xbt_maxmin_float_t size);
113 } s_surf_network_resource_extension_public_t,
114 *surf_network_resource_extension_public_t;
116 typedef struct surf_network_resource {
117 surf_resource_private_t common_private;
118 surf_resource_public_t common_public;
119 surf_network_resource_extension_public_t extension_public;
120 } s_surf_network_resource_t, *surf_network_resource_t;
122 extern surf_network_resource_t surf_network_resource;
123 void surf_network_resource_init(const char *filename);
125 /* Workstation resource */
126 typedef struct surf_workstation_resource_extension_private
127 *surf_workstation_resource_extension_private_t;
128 typedef struct surf_workstation_resource_extension_public {
129 surf_action_t(*execute) (void *workstation, xbt_maxmin_float_t size);
130 surf_action_t(*sleep) (void *workstation, xbt_maxmin_float_t duration);
131 e_surf_cpu_state_t(*get_state) (void *workstation);
132 surf_action_t(*communicate) (void *workstation_src,
133 void *workstation_dst,
134 xbt_maxmin_float_t size);
135 } s_surf_workstation_resource_extension_public_t,
136 *surf_workstation_resource_extension_public_t;
138 typedef struct surf_workstation_resource {
139 surf_resource_private_t common_private;
140 surf_resource_public_t common_public;
141 surf_workstation_resource_extension_public_t extension_public;
142 } s_surf_workstation_resource_t, *surf_workstation_resource_t;
144 extern surf_workstation_resource_t surf_workstation_resource;
145 void surf_workstation_resource_init(const char *filename);
147 /*******************************************/
148 /*** SURF Globals **************************/
149 /*******************************************/
151 void surf_init(int *argc, char **argv); /* initialize common structures */
152 xbt_heap_float_t surf_solve(void); /* update all states and returns
153 the time elapsed since last
155 xbt_heap_float_t surf_get_clock(void);
156 void surf_finalize(void); /* clean everything */
158 #endif /* _SURF_SURF_H */